Prism.languages.python = {
  comment: {
    pattern: /(^|[^\\])#.*/,
    lookbehind: true,
    greedy: true,
  },
  "string-interpolation": {
    pattern:
      /(?:f|fr|rf)(?:("""|''')[\s\S]*?\1|("|')(?:\\.|(?!\2)[^\\\r\n])*\2)/i,
    greedy: true,
    inside: {
      interpolation: {
        // "{" <expression> <optional "!s", "!r", or "!a"> <optional ":" format specifier> "}"
        pattern:
          /((?:^|[^{])(?:\{\{)*)\{(?!\{)(?:[^{}]|\{(?!\{)(?:[^{}]|\{(?!\{)(?:[^{}])+\})+\})+\}/,
        lookbehind: true,
        inside: {
          "format-spec": {
            pattern: /(:)[^:(){}]+(?=\}$)/,
            lookbehind: true,
          },
          "conversion-option": {
            pattern: /![sra](?=[:}]$)/,
            alias: "punctuation",
          },
          rest: null,
        },
      },
      string: /[\s\S]+/,
    },
  },
  "triple-quoted-string": {
    pattern: /(?:[rub]|br|rb)?("""|''')[\s\S]*?\1/i,
    greedy: true,
    alias: "string",
  },
  string: {
    pattern: /(?:[rub]|br|rb)?("|')(?:\\.|(?!\1)[^\\\r\n])*\1/i,
    greedy: true,
  },
  function: {
    pattern: /((?:^|\s)def[ \t]+)[a-zA-Z_]\w*(?=\s*\()/g,
    lookbehind: true,
  },
  "class-name": {
    pattern: /(\bclass\s+)\w+/i,
    lookbehind: true,
  },
  decorator: {
    pattern: /(^[\t ]*)@\w+(?:\.\w+)*/m,
    lookbehind: true,
    alias: ["annotation", "punctuation"],
    inside: {
      punctuation: /\./,
    },
  },
  keyword:
    /\b(?:_(?=\s*:)|and|as|assert|async|await|break|case|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|match|nonlocal|not|or|pass|print|raise|return|try|while|with|yield)\b/,
  builtin:
    /\b(?:__import__|abs|all|any|apply|ascii|basestring|bin|bool|buffer|bytearray|bytes|callable|chr|classmethod|cmp|coerce|compile|complex|delattr|dict|dir|divmod|enumerate|eval|execfile|file|filter|float|format|frozenset|getattr|globals|hasattr|hash|help|hex|id|input|int|intern|isinstance|issubclass|iter|len|list|locals|long|map|max|memoryview|min|next|object|oct|open|ord|pow|property|range|raw_input|reduce|reload|repr|reversed|round|set|setattr|slice|sorted|staticmethod|str|sum|super|tuple|type|unichr|unicode|vars|xrange|zip)\b/,
  boolean: /\b(?:False|None|True)\b/,
  number:
    /\b0(?:b(?:_?[01])+|o(?:_?[0-7])+|x(?:_?[a-f0-9])+)\b|(?:\b\d+(?:_\d+)*(?:\.(?:\d+(?:_\d+)*)?)?|\B\.\d+(?:_\d+)*)(?:e[+-]?\d+(?:_\d+)*)?j?(?!\w)/i,
  operator: /[-+%=]=?|!=|:=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]/,
  punctuation: /[{}[\];(),.:]/,
};

Prism.languages.python["string-interpolation"].inside[
  "interpolation"
].inside.rest = Prism.languages.python;

Prism.languages.py = Prism.languages.python;
